[v-cloak] {
    display: none;
}

.max-box{
    margin: 0 auto;
    text-align: center;
}
.max-box .box{
    background: antiquewhite;
    margin-bottom: 10px;
}

.max-box .row{
    height: 50px;
    display: flex;
}

.max-box .row .cell{
    width: 20%;
    height: 100%;
    background: white;
    border: 2px red solid;
    border-left: none;
}

.max-box .row .cell:first-of-type{
    border: 2px red solid;
}

.max-box .row .cell.wall{
    background: #ee8484;
}

.max-box .row .cell .ball{
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: red;
    line-height: 50px;
    text-align: center;
    color: white;
}